116 lines
4.3 KiB
C
116 lines
4.3 KiB
C
/**
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* @file myFunc.h
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* @brief 基础工具函数 — 校验/字符串/时间/文件/进程/环境/IPC
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*/
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#ifndef _MY_FUNC_H_
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#define _MY_FUNC_H_
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#include <stdint.h>
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#include <time.h>
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#include <sys/time.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* ---- 时间结构 ---- */
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typedef struct {
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uint32_t ms:16, min:6, :2, hour:5, :3, day:5, week:3, month:4, :4, year:7, :1;
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} time_sys_t;
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typedef struct { time_t sec; time_t usec; } time_cal_t;
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/* ---- IPC ---- */
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typedef struct { int qid, type, len; char text[4096]; } ipc_text_t;
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typedef struct { long id; ipc_text_t t; } ipc_msg_t;
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enum { IPC_RESP_NONE=1, IPC_RESP_ONCE, IPC_RESP_ALWAYS };
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/* ---- 文件描述头(256字节) ---- */
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#pragma pack(1)
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typedef struct {
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uint64_t flag; /* 魔数 0xA55AA55AA55AA55A */
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char ver[16], author[16], modify[32];
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uint16_t crc;
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char desc[128], bak[54];
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} file_info_t;
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#pragma pack()
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/* ===== 校验 ===== */
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uint8_t func_cal_sum_byte(const uint8_t *d, uint32_t n);
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uint16_t func_cal_sum_word(const uint8_t *d, uint32_t n);
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uint16_t func_cal_crc16(const uint8_t *d, uint32_t n);
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uint32_t func_cal_crc32(const uint8_t *d, uint32_t n);
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uint16_t func_cal_file_crc16(const char *path);
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uint32_t func_cal_file_crc32(const char *path);
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/* ===== 字符串转换 ===== */
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uint8_t func_hex_ch(char c);
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uint8_t func_dec_ch(char c);
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int func_hex2dec(char *s);
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int func_dec2dec(char *s);
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int func_hex2buf(const char *s, char *dst, int *len);
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char *func_dec2str(char *buf, int sz, int val, int width);
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char *func_hex2str(char *buf, int sz, int val, int width);
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char *func_float2str(char *buf, int sz, float f, int width);
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char *func_buf2str(char *buf, int sz, const char *src, int n);
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int func_str2argv(char *s, uint8_t *argc, char *argv[], uint8_t max);
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/* ===== 时间 ===== */
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char *func_time_sys2str(char *buf, int sz, time_sys_t *t);
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int func_str2time_sys(const char *s, time_sys_t *t);
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int func_get_time(void *t, int type); /* type: 1=sys 2=cal */
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int func_set_time(void *t, int type);
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void func_time_sys2cal(time_sys_t *src, time_cal_t *dst);
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void func_time_cal2sys(time_cal_t *src, time_sys_t *dst);
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/* ===== 文件目录 ===== */
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int func_dir_exist(const char *p);
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int func_make_dirs(const char *p);
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int func_del_dirs(const char *p);
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int func_del_dirs_cmd(const char *p);
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int func_file_exist(const char *p);
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uint32_t func_file_size(const char *p);
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int func_read_file(const char *p, char *buf, uint32_t cap, uint32_t *out);
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uint8_t *func_read_file_alloc(const char *p, uint32_t *out);
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int func_write_file(const char *p, const char *buf, uint32_t n);
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int func_read_file_info(const char *p, file_info_t *info, int check);
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/* ===== 进程 ===== */
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int func_proc_self_name(char *buf, uint32_t sz);
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int func_proc_name_by_pid(int pid, char *buf, uint32_t sz);
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int func_proc_pid(void);
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int func_proc_pid_by_name(const char *name);
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int func_proc_exist_by_pid(int pid);
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int func_proc_exist_by_name(const char *name);
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int func_proc_path_by_pid(int pid, char *buf, uint32_t sz);
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int func_proc_self_path(char *buf, uint32_t sz);
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int func_proc_self_dir(char *buf, uint32_t sz);
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/* ===== 环境变量路径 ===== */
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int func_get_work_path(char *buf, uint32_t sz);
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int func_get_syscfg_path(char *buf, uint32_t sz);
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int func_get_app_root(char *buf, uint32_t sz);
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int func_get_his_root(char *buf, uint32_t sz);
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int func_get_log_root(char *buf, uint32_t sz);
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int func_get_dbc_root(char *buf, uint32_t sz);
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int func_get_shell_path(char *buf, uint32_t sz);
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int func_get_update_path(char *buf, uint32_t sz);
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int func_get_app_path(const char *app, char *buf, uint32_t sz);
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int func_get_app_cfg(const char *app, const char *ext, char *buf, uint32_t sz);
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int func_get_app_his(const char *app, char *buf, uint32_t sz);
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int func_get_app_log(const char *app, char *buf, uint32_t sz);
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/* ===== IPC 消息队列 ===== */
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int func_ipc_create_by_name(char *name, int *qid);
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int func_ipc_create_by_pid(int pid, int *qid);
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int func_ipc_get_by_name(const char *name, int *qid);
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int func_ipc_get_by_pid(int pid, int *qid);
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int func_ipc_send_buf(int qid, uint8_t *tx, uint32_t n);
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int func_ipc_recv_buf(int qid, uint8_t *rx, uint32_t n);
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int func_ipc_send_msg(int qid, ipc_msg_t *m);
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int func_ipc_recv_msg(int qid, ipc_msg_t *m);
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int func_ipc_delete(int qid);
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#ifdef __cplusplus
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}
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#endif
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#endif
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